Programming and Parameters
3-17
Advanced Program Group
(continued)
A079 [Jog Accel/Decel]
Sets the acceleration and deceleration time when a jog command is issued.
Values
Default
10.0 Secs
Min/Max:
0.1/600.0 Secs
Display:
0.1 Secs
A080 [DC Brake Time]
Sets the length of time that DC brake current is “injected” into the motor. Refer to parameter A081
.
Values
Default
0.0 Secs
Min/Max:
0.0/90.0 Secs
Display:
0.1 Secs
A081 [DC Brake Level]
Related Parameter(s):
Defines the maximum DC brake current, in amps, applied to the motor when P037
to either “Ramp” or “DC Brake”.
Values
Default
Drive Rated Amps
×
0.05
Min/Max:
0.0/(Drive Rated Amps
×
1.8)
Display:
0.1 Amps
DC Injection Braking Mode
V
olts/S
p
eed
Voltage
Time
Stop Command
Speed
[DC Brake Level]
[DC Brake Time]
V
olts/S
p
eed
Ramp-to-Stop Mode
Time
Stop Command
[DC Brake Level]
[DC Brake Time]
Voltage
Speed
!
ATTENTION:
If a hazard of injury due to movement of equipment or material exists,
an auxiliary mechanical braking device must be used.
!
ATTENTION:
This feature should not be used with synchronous or permanent
magnet motors. Motors may be demagnetized during braking.
userman.book Page 17 Friday, June 21, 2002 2:48 PM
Summary of Contents for Allen-Bradley PowerFlex 4
Page 4: ...soc 2 userman book Page 2 Friday June 21 2002 2 48 PM ...
Page 6: ...ii userman book Page ii Friday June 21 2002 2 48 PM ...
Page 32: ...1 22 Installation Wiring Notes userman book Page 22 Friday June 21 2002 2 48 PM ...
Page 70: ...4 8 Troubleshooting Notes userman book Page 8 Friday June 21 2002 2 48 PM ...
Page 74: ...A 4 Supplemental Drive Information Notes userman book Page 4 Friday June 21 2002 2 48 PM ...
Page 82: ...B 8 Accessories and Dimensions Notes userman book Page 8 Friday June 21 2002 2 48 PM ...
Page 88: ...C 6 RS485 DSI Protocol Notes userman book Page 6 Friday June 21 2002 2 48 PM ...
Page 92: ...Index 4 Notes userman book Page 4 Friday June 21 2002 2 48 PM ...
Page 93: ...userman book Page 1 Friday June 21 2002 2 48 PM ...